Nail-making machine.



A. DORMIRI v NAIL MAKING.MAQHINEl 'I l APPLICATION FILED NQV. 21, 19102.

.Patented Apr. 8,1 1913.

. MERITS-SHEET 4.

UNITED sTA'rEs .PATENT OFFICE. I

STEPHEN A. DOBYNE, or sr. LoUIs, MISSOURI, :AssI'GNoR T5 CHAI/Irion sIIoE MA- CHINRY COMPANY, OF ST. LOUIS, MISSOURI, A CORPORATION OF MISSOURI.

.rau-MAKING MAQIIINE.

To alt/whom t may concern Be it'lmownthatl I, STEPHEN A. DoBYNn, a citizen of the United States, residing at thecit'y of St.v Louis, State of Missouri,- have invented certain new and useful Improve- Iment in Nail-Making Machines, of which the following is' a specification.

This invention relates to nail making ma chines -and more particularly to machines for making nails of the type known as string nails, that is, in the form of a string of .connected headed nails. The objects of this invention are to'construct a nail making machine which is sirnple in constructionrapid in its operation and whichwill require little attention; and further objects will appear from the detail description' taken Lin` connection` with the accompanying drawings, in which:

Figure l is a top plan View of a nail-Inaking machine in conjunction with means for winding the finished nails; Fig. 2 is a toplplan View, on an enlarged scale, of the naillnaking machine; Fig. 3 is a sideelevation of san1e;'Fig. 4 is a top plan view, on an' enlarged scale, of the stock-Supporting member,l the stock -clamping member being broken awayjkFig. 5 is asectional view on the line 5-5 Fig. 2; and Fig. 6 is a view, on an enlarged scale, showing several joined nails and pieces that are sheared from the metal band.

The'shaiit 1 is mounted in a pair of journal-boxesQ supported on al suitable base 3. One'end of said shaft is journaled i1. a pil- `low-block-4t secured to base 3 by means of bolts 5 or the like, and the other end of said shaft bears a hand-wheel 6 which-affords a means for rotating said shaft by hand for the purpose hereinafter described. A pulley 'rigidly mounted on shaft 1 is preferablyllocated between journal-boxes 2 and is videdk with project-ions l1 and 12.

drivenr by belt 8, which receives its power from any suitable source.

'A die-holder 9 is secured to base 3 by bolts 10 or other suitable means, and is pro- A die 1,3 fits snugly in a groove 14 in die-holder 9 and rests `upon base 3, said groove being preferably dovetailed` to hold said die firmly in' place. Said die is preferably arranged tov incline from the perpendicularI to base 3 and is located between projections 1l and 12. Grooves 15 and 16 areformed in the upper surfaces of projections 11 and 12,'.respecsp'eieation'of Lettersrateat. 1 Patented Apr. 8,1913. v Application led November 21,1910: Serial 119,523,329. I I

tively, in o rderuto .allow a' ribbon band or strip of fastener stock 'fo'.pass therethrough, and are preferablyarranged to extend substantially parallel to. the axis of shaft- 1. Thisribbon band or strip may bex of steel or any other suitable materia-l 4and may be ranged to extend at an acute`angle to thev face of said die and is disposed in the.plane of the bottoms of grooves 15 and 16. Said .grooves aline wit-h the edge 18 of die 13 that forms the intersection of the top surface and the face of said die, in order to allow the band 17 to pass longitudinally over said edge, and are preferably shallower than the thickness of said band. The face of die -13 is provided with a projection or rib 19 that extends longitudinally thereof and, also, with a Ibevel 2O which extends from said projectionto a. side edge of said face. Bevel 20 is preferably located adjacent the projection 11,V so as to allow the upper end of said bevel to join approximately the middle part of the lower edge of the end 21 of groove 15. .When the band 17 is fed through grooves 15 and 16 -in the manner hereinafter described, one edge of saicLband projects over the upper end of bevel 20.

A plate or cutter 22 is rigidly mounted on Vshaft 1 and is provided with a curved end 23that is adapted to pass between and closely to the end 21 of groove l5 and the edge 24 of projection l0. The end 23 of plate 22 is given the curvature ofan arc that is preferably concentric to shaft l and is beveled so as to rotate closely to the upper end of bevel 20 of die 13 when shaftl is rotated.' The edge 25 of the end 23 of plate 22v is preferably inclined to form a shearing edge.- The shaft 1 is rotated counter-clockwise, Fig.l 5, so that the shearing edge 25 -plate 22 moves away from the bevel 20, the

of. any desiredfcross-sectiong4 it is however A llfiV y band 17 and the nail'2 attached ythereto are ,moved toward theright, Fig. 4, gin the manner hereinafter described, until the end of the,band alines with the edge 28. of pro -jection 19 in. order to allow thev shearing l edge .25 to cut another piece 26 from the end 23 of plate 22 again moves` away from.

the bevel 20, the'band is moved toward the rlght, Flg. 4, until the end of the ribbon alines' with the edge 28 of projection 19.

The shearing edge25 again cuts apiece 26 from the edge of band 17 and forms a third nail 27 4that' is connected to the second nail and, also, to theend of the 'ribbon that terminates at the end 21 of groove 15.

Avmember 29'is rigidly mounted on shaft l l, and bears a helical thread or cam projection 30 that extends partly around same.`

The thread 30 is so arranged relative to the end 23 of plate 22vthat, when said end 23 nearly releases the ribbon 17, the point 31 of said thread or cam movesfinto engagement with the left-hand side of the head of the first nail 27 to the right of projection 19,-

Fig. 2. After the end 23 of plate 22 rell leases the band 17, the thread 30 presses against -the head of the first nail 27' to the right of projection 19 and thereby forces said nail and band 17 toward the right until the point of the next nail to the left of same reaches the edge 28 of projection 19. The end 32 of thread 30 then moves out of engagement with the head of said first nail and the shearing edge 25 of plate 22 cuts a piece 26 from the edge of the band, as hereinabove described. After the end 23 again releases the band 17 the thread 30 presses against the head of the first nail 27 to the lright of projection 19 and thereby forces the nails and band 17 again toward the right, as hereinabove described.

A clamp 33 is pivotally attached to rod 34 thatis supported by lugs 35 borne byv die-holder 9. An arm 36 borne by clamp 33 extends through an opening 37 in dieholder 9 and projects into the path of rotation of the high side of a cam 38 borne by shaft 1. The ends 39 and 40 of clamp 33 extend over grooves 15 and 16, respectively, and a projection 41 extends over projection 19. Cam 38 is so arranged relative to the plate 22 that, while the shearing edge 25 of said plate cuts a piece 26 from the eX- posed edge of the band 17, the high side Iof cam 38 presses against' the arm 36 of clamp 33 and thereby tends to rotate said clamp clockwise, Fig. 5, so that the end 39 holds theribbon 17 in groove 15, the projection 41 holdsthe head of a nail 27 uponvprojection 19, and the end`40 holds the nails.

the shearing edge 25 cuts a piece 26 from the edge of the band, the high side of cam 38 moves out of engagement with. the arm 36, whereby the end 39 releases its ressure upon ribbon 17 and the end 40 an projection 41 release their pressure upon the nails 27 so as to allow saidband and said nails to -be moved toward the right, -F ig. 2, as hereinabove described.

The ribbon 17 is preferably Wound upon a reel or spool 42 that is journaled vin suitable bearings 43. As the pieces 26 are cut from an edge of the band 17, as hereinabove described, a string of nails 27 is formed. For all practical purposes andconvenience the string of nails iswound upon a reel or spool 44 by means of the following instrulpreferably coiled about shaft 45 and is 1ocated between a pair of Washers 51 that is loosely mounted on said shaft. Said spring presses one washer 51 against a collar 52 thatis rigidly mounted on shaft 45 and holds the other washer in engagement with one'side of the hub of pulley 48. A collar 53 is rigidly mounted on shaft 45 and is vlocated adjacent the opposite side of the hub of pulley 48 in order to resist the pressure of spring 50. Said spring presses the hub of pulley 48 against collar 53and thereby affords a-frictional drive that causes shaft 45 to rotate with said pulley, in order to cause the string of nails to wind upon reel 44, while thread 30 feeds said nails toward said reel. l-Vhile the shearing edge 25 of plate 22 cuts a piece 26 from an edge of band 17 the string of nails is prevented from moving toward reel 44, whereby said string of nails prevents said reel and shaft 45 from rotating, with the result that pulley 48 rotates loosely on said shaft. A miter-wheel 54 borne by shaft 45 meshes with and drives a miter-wheel 55 borne by shaft 56, said shaft 56 being mounted in asuitable journal-box 57. A shaft 58 is reciproeatively mounted in supports 59, and bears a roller 60. A spring 61 holds roller 60 in engagcf ment. with an eccentric 62 borne by shaft 56, and, when said shaft 56 is rotated, said eccentric causes shaft 58 to reciprocate. The string of nails passes between the fingers 63 of a guide 64 borne by shaft 58, and, as said shaft reciprocates, the guide 64 reciprocates therewith and distributes the nails 27 uniformly upgn reel 44. Uien the upper end of bevel 20 ortheupper, end of rojec. tion 19 becomes-"worn, the; toplsurlacef, of dle `-carry be', groundjand said diel can' be( raised' in groove y1,4 untihthe newly1 ground -sarfaejrgsber's-'infthe plane orf the bottoms offgroovesl and 16, it being necessary then toiiris'erta wedge orfiller' (not4 shown in the y drawings) beneath sai die in'order tol suppot same. f g i The operation of the machines as f01.

, lows: The band 17 is passed through'gr'ooye l5` untily the end of same reaches the edge 28 of projection 19. Shaft 1 is then rotated by means of the hand-Wheel- 6, so as to' cause' the Shearing'edge 25 of .plate 22 to cut a piece 26 from the exposed edge of theband 17, thereby forming a nail 27S that is left attached tol said band..I Theband is moved toward groove 16 until'the pointof 'the firstnail 27 reaches the edge 28' of "e projection 19 and the shaft 1 is again rotated byrmeans ofthe hand-\wheel 6, so as to cause the shearing edge of plate 22 t0.

. cutranother piece 26 from theedgeof said sok band, whereby another nail' 27 is formed and is left attached to the first nail and,a1so, to said band. The ribbon ,17 is again shifted toward the groove 16 and another piece 26 is cut. ,from the edge of said band, as hereinabove described, so as to form a third nail 27 that is attached to the second nail and, also, to said band. Shaft 1 iS rotated by handA until a suflicient number of nails has been formed to extend into groove16.

fPower is then applied to belt 8 which drives pulley 7 and shaft 1. After each operation of cutting a piece 26 from the edge of band 17 the helical thread 30 feeds the nails and band 17 toward the groove 16, vas hereinabove described, so as to allow the shear-inor edge 25 to cut another piece 26`from saiid band. After a suiiicient number of nails. 27 has been formed, the end of the string of nails is attached to a spool 44 upon which ysame is wound in the manner hereinabove described. The pieces 26-can be used for" pegs, and for this reason none of the material -is Wasted, whereby the machine perf'o'rms a twofold function. i

The helical cam projection 30 operaties to 'feed the stock by engagement with the head of thel nail and this feeding member engages the stock at the completion of the cutting. operation. The stock is therefore -fed positively and accurately.` The cutter moves and operates across the band and transversely of the line of feed to cut pieces out ofand along one side of the band to form in this way a string of connected headf ed nails. l'The clamp extends across the band, and at the cutting point it extends 'only partially across the band to leave one edge thereof exposed, thereby supporting the band at the cutting point, oneach slde ofA the cutter however, the clamp extends semestre saure' Width of the band.' In this waythe stock will be supported firmly so as" to'1 result inv` anaccurateformationof .fhe-nail'sjon the' string. l f vclaim.: l L* l 1. In a nail-making machine, the combination of a revoluble member, a cuttercar ried thereby, a support adapted to hold the stock partly in the path of rotation of' saidv cutter, andra helical member actuated by said revoluble member radapted to feed the stock intermittently. I

2. In a mnh-making-machine.v the combi'- nation of a die-holder having a groove throu h which a continuous band offmaterial passes, a die supported by said. dieholdervand having an e'dge alining with said groove, a' revoluble member, a cutter carried by said member `andv adapted to` shear pieces from an edge of said band, al

clamp pivoted to said die-holder and adapt'- ed to hold said band in said grooye when same is cut, 'and a cam carried by said member and adapted to actuate said clamp.

3. In a nail-making machine, the combination of a die-holder having a lpair of grooves through which a continuous'band of material passes,fa die disposed between said'grooves and having an edge aliningwith same, a rev'oluble m'ember, a cutter carried by said member and adapted to shear pieces lfrom an edge of said band, a helical` member carried by said revoluble membery `and adapted to feed said band intermittently through said grooves, ajclamp'e lvoted to said die-holderand adapted to u old said band 4in said grooves'when same is cut,

-and a cam carried by said revo-luble member and adapted to actuate said clamp. 4. Ina nail makingmachine, the combi.

.nation of a diefa rotatable element having a helical projection tofeed the-stock, acutter on one side of said element to shear the stock, a pivoted clamp to engage the stock and hold lsame in engagement with the die, and a cam on the opposite side of the rotatable clement to actuate -said clamp to successively move same to clamped andun' clamped positions.

5. ln a nail making machine', the combination of a die, a rotatable element having a leo helcalprojection to feed the stock, a cutter .successively act to cut the stock and to 'siiifnultaneously therewith actuateV the clamp` fi: '.clamped position nd to move the clamp "jte-1' released position and simultaneously therewith to feed the stock with respect to the die. 4

7'. In a nail'making machine, the combi-r tion of a die to receive the stock thereon, a

rotatable cutter adjacent the die, and means carried with the cutter and rotating therewith whereby on completion of the cutter movement to cut the stock said means will engage the stock and move the same with respect to the die and cutter. f

9. In a nail making machine, the combination of a die to receive the'stock thereon, a mvable clamp to clamp the stock to the die, a rotatable cutter adjacent the die, means carried with the cutter and rotatingtherewith to actuate the clamp to clamping position, and seco-nd means carried with the cutter and rotating therewith to engage the stock and feed'same with respect to the die and cutter.

l0. In a nail making machine, the combination of a die, means to clamp the stock to the die, a movable member. and means on said member operating to successively actuate the clamp to locked position, shear the stock, unlock the clamp and positively feed the stock by engagement with a sheared portion thereof.

' operat-ive clamping position when the cutter acts on the work, an`d to release the arm at the completion of the cutting movement of the cutter.

12. 'In a nail making machine, the combinationof the die, means to intermittently clamp the stock thereon, means to cut the stock, a reel n which the cut stock is wound, means to exert a rotating influence on the reel to thereby cause same to hold the stock between the'reel and die under constant tension and to wind the stock on the reel by rotating the latter when said clamping means 1s released, and means engaging the cutstock and operated by the reel rotating means to move the stock back and forth across the reel during the rotation thereof.

13. In a nail making machine, the combination of the die, means to intermittently clamp the stock thereon, means to cut the stock, a. reel on which the cut stock is wound, means to exert a rotating influence on the reel to thereby cause same to hold the stock between' the reel and die under constant tension and to wind the stock on the reel by rotating the latter when said clamping means is released, and spring pressed cam actuated means engaging the vcut stock and operated by the reel rotating means to move the stock back and forth across the reel duringthe rotation thereof.

14. In a nail making machine, the combination of a die, a cutter, and means connected with and movable with said cutter adapted to engage the stock at the completion of the cutting operation to intermit-` tently and positively move the same with rc-l spect to the die. i

l5. In a nail making machine, the combination of a die, means adapted to guide rand support a band of stock on said die, a projection extending from the face of said die and underneath said band, and a cutter and a feeding device operating on said band on opposite sides of said projection. 4

16. In a nail making machine, the combination of a die, means for intermittently feeding a band of stock across said die, and a cutter moving and operating across said band and transversely of the line of feed and adapted to cut pieces out of and along one side of said band to form a string of connected nails.

17. In a nail making machine, the combination of a die, means for intermittently feeding a band of stock across said die, a cutter moving and operating across said band and transversely of the line of feed and adapted to cut pieces out of and along the edge of. said band to form a string of connected nails, and means for supporting said band on each side of said cutter for the entire width of said band.

1S. In a nail making machine, the combination of a die, a clamp cooperating therewith to clamp a band of stock adapted to leave one edge thereof exposed, a cutter operating` across said band to eut at each.

operation a piece out of the exposed edge of said band to form the head and point of one of a string of connected nails` means for intermittently feeding the band between said die and clamp, and means for operating said clamp to clamp the hand while the' cutter operates thereon and to `unclamp the band while it is fed.

' l?. In a nail making machine, the coinbination of a die, a clamp cooperating therewith to clamp a band of stock adapted to leave one edge thereof exposed, a cutter operating across said band to cut at each operation a piece out of the exposed edge -of said band to form the head and point of one of a string of connected nails, means for supporting said band'on each side of said cutter vfor the entire Width of said band, means for intermittently feeding the band between said die and clamp, and means 4for operating said clamp to clamp the band While the cutter operates thereon and to unclamp the band While it is'fed.

20.111 a nail making machine, the combination of a die, a clamp coperating therey with to clampI a band of stock adapted to leave one edg'e thereof exposed, a shaft, a

cutter on `said shaft'operating across said leave one edge thereof exposed, a shaft, al

cutter on .said shaft operating across said band to cut` at each operation'a piece out of the exposed edge of said band to form one of a string of connected nails, and cams on said shaft, one of said cams operating to intermittently feed the band between said die and clamp, and the other operating said cla-iip. to clamp the band While the cutter'- operates thereon and to unclamp the band While it is fed. f

22. Ina nail making machine, the combination of a die for supporting a band of stock, a cutter adapted to cut at" each operation a piece out of one edge of said band to form "a string of connected. headed mails,

and means operating in timed relation .Withv i said cutter adapted toiengage the head of a bium-,1050i 1a die fof-supporting a band of its nail so cut and positively feed the band.

23. Ina nail making machine, the `combination of a die for supporting a band of stock, acutter adapted to cut at each operation a piece out of one edge of said band to' form a string of .connected headed nails, anda' cam device connected to and. movable with Asaid cutter adapted to engage the head of anail. so cut and positively feed the lo'and.

24. In ai nail makingimachine, the conibination of a die for supportingla band of stock, a rotary'cutter operating across the band andy adapted tocut 'at each operation a piece lout of one edge of said bandto form astring ofconnected nails, and means .rotating with saidcuttery adapted to engage the head of a nail`se`cut and positively feed p the band.- 1 f 25. In a nail'maki.gtmachingthe com stock, agrotary shaft extending parallel with 'said vhand; as supported, acutter` on said shaft operating across the band and adapted to cut at each operation a piece out of one edge of said band to form a string of connected nails, and means rotating with said shaft adapted to enga'ge the head of a nail so cut and positively feed the band.

26; In a nail making machine, the combination of a die for supporting a band of stock, a rotary shaft extending parallel with said band as supported, a cutter on said shaft operating across the band and adapted tocutat each operation la piece out of one edge of said band to form a string of connected nails, means rotatin with said shaft adapted to engage the hea of a nail so cut and feed the band, and means operated from said shaft adapted to clamp'the band While cut and to unclamp the same While fed.

27. In a nail making machine, the combination of a support having a guide for 'a band of stock, a separate die member mounted on said support, said guide extending on opposite sides of said die member, and said die member having its die face on a line with said guide, means for feeding the band through' said guide and over said die, and a cutter cooperating With said die to cut at each operation a piece out of and along one edge of the band to form a string of connected nails.

28. In a nail'making machine, the combination of asupport having a guide for a bandof stock, a separate die member having a band engaging face and removably mounted on said support, said guide extending on opposite sidesjof said die member,

and said die member having its die faceI on'A a line with said guide, means. for feeding the band through said guide and over said die, and a cutter coperating With said die -to cut at each'operationa piece out of and along. one edge of the band to form a string of connected nails.

L29. In a nail .ma-king machine, the combination of a die, means for guiding a band..

'of fastener stock across saidV die, a cutter operating across said band and transversely .ofthe linego'f feed and adaptedto cut at eachj'operation apiece out of one side of said band to form at each operation the head and point of one of. a, string of connected nails, and means engaging the head of va nail so cut constructedv to positively feed said band.

30. In a .nail making machine, the combination of a die, means for guiding a band of fastener stock across said die, a rotary cutter operating across said band and transversely'of the line of feed and adapted to cut at each operation a piece out of one side of said band to form at each operation the head""and point of .one'of a string of connected nails, and means. rotatingwith' said cutter constructed to ,engage vthe head of a nail so cut and positively feed the band.

3l. In a nailmaking machine, the combination of a die, means for feeding a band of stock across said die, a cutter moving and operating across the band and transversely of the line of feed and adapted to cut pieces out of the edge `of the band to form a series ot connected nails, and means extending partially across the band for guiding the band constructed to supportI the band rearwardly of the cutter and at the cutting point.

32. In a nail making machine, the combination of a die, means for feeding a band of stock across said die, a cutter moving and operating across the band and transversely of the line of feed and adapted to cut pieces out of the edge of the hand to form a series of connected nails, and means for guiding the band constructed to support the band on each side of the cutter for the entire width of theband and extending partially across the band at a point opposite. the cut.- ter to support'the band at the cutting point.

33. In a nail making machine, the combination of a die, a clamp coperating there with to clamp a hand of stock adapted to leave one edge thereof exposed, a cutter operating across said band to cut at each operation a piece out of the lexposed edge of said band to form the head and point of one of a string of connected nails, said die extending partially across the band to support the yband at the cutting point, means for'intermittently feeding ,the band between said die and clamp, and means for operating said clamp to clamp the band While the cutter operates thereon and to unelamp the band While it is fed;

34. In a nail making machine, the` combination of a die, a clamp cooperating therewith to clamp a band of stock adapted to leave one edge thereof exposed, a cutter operating across said band to cut at, each operation a piece out of the exposed edge ofA said band to form the head and point of one of a string of connected nails, said die and clamp extending partially across the hand to supportthe band at the cutting point, means for intermittently feeding the band between said die and clamp, and means for operating said clamp to clamp the band While the cutter operates thereon and to unclamp the band while it is fed.

35. In a nail making machine, the combination of a die, a clamp coperating therewith to clamp a band of stock adapted to leave one edge thereof exposed, a cutter operating across said band to cut at each operation a piece out of the exposed edge of said band to form the head and point of one of a string of connected nails, means for supporting said band on each side of said cutter for the entire width of said hand, means extending partially across the band to support the band atthe cutting point, means for intermittently feeding the band between said die and clamp, and means for operating said clamp to clamp the band While the cutter operates thereon and to unclamp the band While'it is fed.

In testimony whereof I have hereunto affixed my signature 1n the presence of two witnesses.

STEPHEN A. DOBYNE.

Witnesses GLADYS Hmong GEORGE G. ANDnRsoN. 

